repair

Ok I got this dronge the one in the title jjrc h8d and everything was good intill I went to put in a new battery now the thing won't do anything with the red lights in the back on but none of the other lights. any ideas I have tried different batteries and even tried the one that came with it...

Hello all, I was really hoping you might be able to help me fix my Simtoo FollowMe drone in time to take it on holiday next week - the whole purpose for buying it. One of the prop motors (silver) has been damaged and judders when the drone powers up before take-off. I have found an example of a...